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13 March 2024 Optical links with electronically steerable apertures
Jared Sisler, Prachi Thureja, Joseph M. Kovalik, William T. Roberts, Ruzan Sokhoyan, Harry A. Atwater, Abhijit Biswas
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Proceedings Volume 12877, Free-Space Laser Communications XXXVI; 128770N (2024) https://doi.org/10.1117/12.3003475
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
In this talk, we describe our experimental progress toward a laboratory link demonstration using electronically programmable beam steering metasurfaces as a proof-of-concept for implementing optical communications links with no moving parts. First, we fabricate plasmonic gate-tunable conducting oxide metasurfaces and study the beam quality of the light reflected from the metasurface. Next, we describe the design of a free-space optical communications transceiver and detail our experimental progress. The developed technologies could be instrumental for implementing inter-satellite links as well as information networks on the Moon, Mars, and beyond, needed for robotic and/or human solar system exploration.
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Jared Sisler, Prachi Thureja, Joseph M. Kovalik, William T. Roberts, Ruzan Sokhoyan, Harry A. Atwater, and Abhijit Biswas "Optical links with electronically steerable apertures", Proc. SPIE 12877, Free-Space Laser Communications XXXVI, 128770N (13 March 2024); https://doi.org/10.1117/12.3003475
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KEYWORDS
Free space optics
Beam steering
Transceivers
Free space optical communications
Oxides
Plasmonics
Reflection
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